| Used Operating Systems |
| 1 | 10300 | 70.19 | 2003 | 50.70 | Windows NT |
| 2 | 1430 | 9.74 | 1332 | 33.71 | +http://www.baidu.com/search/spider.html |
| 3 | 1094 | 7.45 | 201 | 5.09 | +http://www.google.com/bot.html |
| 4 | 791 | 5.39 | 202 | 5.11 | +http://www.bing.com/bingbot.htm |
| 5 | 427 | 2.91 | 53 | 1.34 | +http://yandex.com/bots |
| 6 | 135 | 0.92 | 59 | 1.49 | ezooms.bot@gmail.com |
| 7 | 66 | 0.45 | 10 | 0.25 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 65 | 0.44 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 9 | 46 | 0.31 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 42 | 0.29 | 19 | 0.48 | +http://www.easou.com/search/spider.html |
| 11 | 41 | 0.28 | 10 | 0.25 | X11 |
| 12 | 33 | 0.22 | 4 | 0.10 | +http://www.seoprofiler.com/bot |
| 13 | 32 | 0.22 | 7 | 0.18 | Android 2.3.5 |
| 14 | 32 | 0.22 | 16 | 0.40 | +http://www.exabot.com/go/robot |
| 15 | 24 | 0.16 | 3 | 0.08 | Windows 98 |
| 16 | 12 | 0.08 | 3 | 0.08 | Windows 95 |
| 17 | 12 | 0.08 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 18 | 11 | 0.07 | 1 | 0.03 | Windows 2000 |
| 19 | 9 | 0.06 | 0 | 0.00 | Win32 |
| 20 | 8 | 0.05 | 4 | 0.10 | http://crawler.sistrix.net/ |
| 21 | 8 | 0.05 | 2 | 0.05 | Windows 3.1 |
| 22 | 7 | 0.05 | 3 | 0.08 | +http://siteexplorer.info/ |
| 23 | 6 | 0.04 | 0 | 0.00 | Windows ME |
| 24 | 4 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 25 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 4 | 0.03 | 2 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 27 | 4 | 0.03 | 4 | 0.10 | Linux i686 [unknown version] |
| 28 | 4 | 0.03 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 3 | 0.02 | 0 | 0.00 | Windows CE |
| 30 | 3 | 0.02 | 0 | 0.00 | Auto; Windows |
| 31 | 3 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 32 | 3 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 33 | 3 | 0.02 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 34 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 35 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 36 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.01 | 2 | 0.05 | FreeBSD [unknown version] |
| 38 | 1 | 0.01 | 1 | 0.03 | http://www.searchmetrics.com/en/searchme... |
